Electronic device shell



FIG. 1 is a front perspective view of an electronic device shell showing the Applicant's new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines shown in FIGS. 3, 6, and 8 illustrate environment which forms no part of the claimed design. 

CLAIM The ornamental design for an electronic device shell, as shown and described. 